Simplify environment activation using Pkg.activate do-blocks

[aviatesk]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.70%. Comparing base (dd6cf5f) to head (5bddde6).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #588      +/-   ##
==========================================
- Coverage   67.74%   67.70%   -0.04%     
==========================================
  Files          51       51              
  Lines        8315     8305      -10     
==========================================
- Hits         5633     5623      -10     
  Misses       2682     2682              

Flag	Coverage Δ
JETLS.jl	67.70% <100.00%> (-0.04%)	⬇️

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